Field setup
Preventing false triggers
Motion cameras fire on wind, warm air, and moving branches just as readily as on animals. Cutting false triggers at the camera saves battery, cellular data, and SD space, before the AI ever gets involved.
A passive infrared (PIR) sensor reacts to a moving heat source. That is why a sunlit branch swaying in the wind, or warm air rising off a rock, sets a camera off. The AI filters most of these out later — but every empty upload still costs power and data, so it pays to prevent them at the source.
Clear the frame
Cut back branches, tall grass, and twigs directly in front of the lens. Anything that moves in the wind and warms in the sun is a trigger waiting to happen. This is the single biggest fix.
Mind the sun
Point the camera north or south where you can. Facing east or west puts low morning and evening sun straight into the sensor — glare and heat shimmer both cause false triggers. Keep the lens away from water surfaces that reflect the sun, too.
Tune sensitivity
In hot, open, or windy spots, a lower PIR sensitivity cuts noise; in cool, sheltered spots you can raise it to catch smaller animals. If your camera offers a detection delay or capture interval, use it to avoid bursts of near-identical empties.
Spiders, insects, and the night flash
A camera that fires all night but stays quiet by day usually has a spider, not a fault. Spiders spin webs right across the lens or sensor — often invisible in daylight — and at night the web, or an insect caught in it, moves inches from the sensor and throws a magnified heat-and-motion signal that can fill a card with hundreds of empty frames. It feeds itself: the IR or white flash that lights night shots attracts insects, and the insects attract the spiders.
Three things help. A little unscented insect repellent on the housing and strap keeps spiders off that spot. A no-glow (black IR) camera attracts noticeably fewer insects than a low-glow or white-flash one, fixing it at the source. And to rule out a genuine sensor fault, point the camera at a blank wall in a dark, still room: if it keeps taking pictures with nothing moving, the problem is the camera, not the site.
The AI catches the rest. Good placement reduces false triggers at the source; the wildlife AI then drops the empty and non-wildlife frames that slip through, so your dashboard holds real activity. See Wildlife AI.
